Home / 2,078,256.60-3,111,164.10-1,854,307.80

Finding the Fourth Proportional to 2,078,256.60, 3,111,164.10 and 1,854,307.80

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Solution

The fourth proportional to 2,078,256.60, 3,111,164.10 and 1,854,307.80 is: 2,775,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,256.60 : 3,111,164.10 = 1,854,307.80 : x
  2. Step 2: Convert to fraction form
    2,078,256.60/3,111,164.10 = 1,854,307.80/x
  3. Step 3: Cross multiply
    2,078,256.60x = 3,111,164.10 × 1,854,307.80
  4. Step 4: Simplify right side
    2,078,256.60x = 5,769,055,857,709.98
  5. Step 5: Solve for x
    x = 5,769,055,857,709.98/2,078,256.60
  6. Step 6: Final answer
    x = 2,775,911.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.